Thermospray Mass Spectrometry Ionization Processes Fundamental Mechanisms for Speciation, Separation and Characterization of Organic complexants in DOE Wastes

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The overall objective is to develop and enhance our understanding of chemical equilibria for major organic complexant species (chelators, chelator fragments, small organic acids and their products) in multi-component aqueous matrices such as the mixtures of DOE stored wastes. To progress toward this objective, organic complexants must be separated and speciated in mixtures of high ionic strength. HPLC employing zirconia-based stationary phases is being studied in order to understand the separation requirements for organic complexants and the products formed by complexants with metals in complex aqueous mixtures. Separated complexant species will then be characterized using positive and negative ion thermospray ... continued below

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Caton, John E.; Bostick, Debra T.; Carr, Peter W. & Mabbott, Gary June 1, 1999.

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Description

The overall objective is to develop and enhance our understanding of chemical equilibria for major organic complexant species (chelators, chelator fragments, small organic acids and their products) in multi-component aqueous matrices such as the mixtures of DOE stored wastes. To progress toward this objective, organic complexants must be separated and speciated in mixtures of high ionic strength. HPLC employing zirconia-based stationary phases is being studied in order to understand the separation requirements for organic complexants and the products formed by complexants with metals in complex aqueous mixtures. Separated complexant species will then be characterized using positive and negative ion thermospray mass spectrometry (TSMS). The final goal is to develop the analytical capability needed to define chemical concentration and equilibria for complexant species in DOE waste streams.

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  • Other Information: PBD: 1 Jun 1999

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  • Report No.: EMSP-59978--20000
  • DOI: 10.2172/828426 | External Link
  • Office of Scientific & Technical Information Report Number: 828426
  • Archival Resource Key: ark:/67531/metadc786021

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  • June 1, 1999

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  • Dec. 3, 2015, 9:30 a.m.

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  • Nov. 3, 2016, 7:40 p.m.

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Caton, John E.; Bostick, Debra T.; Carr, Peter W. & Mabbott, Gary. Thermospray Mass Spectrometry Ionization Processes Fundamental Mechanisms for Speciation, Separation and Characterization of Organic complexants in DOE Wastes, report, June 1, 1999; Oak Ridge, Tennessee. (digital.library.unt.edu/ark:/67531/metadc786021/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.